Table 2

Extraction yields and phytochemical composition of the plant extracts
Scientific names Part used Yield (%) alkaloids phenols tannins terpènes stéroids flavonoids anthraquinones anthocyanins saponins
Amarantus hybridus leaves 7.9 - - - + - + - + -
Vernonia hymenolepis leaves 9.40 + + - - - + - - -
Lactuca sativa leaves 7.14 + + - - - + - - -
Lactuca capensis leaves 7.14 + + + - + - - - -
Sechium edule leaves 3.76 + + - + + + - - +
Manihot esculinta leaves 07.46 + + + + + + + - +
Phaseolus vulgaris cloves 17.81 + + - - + + - - -
Cucurbita pepo leaves 12.68 + + - - + + - - -
solanum nigrum leaves 11.84 + + - - + + - - -
Capsicum frutescens fruits 16.24 + + - + - + + - -

(+): Present; (−): Absent; *The yield was calculated as the ratio of the mass of the obtained methanol extract/mass of the plant powder.

Noumedem et al.

Noumedem et al. BMC Complementary and Alternative Medicine 2013 13:26   doi:10.1186/1472-6882-13-26

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